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JPL Small-Body Database Browser
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233925 (2009 UL2)
Classification: Jupiter Trojan          SPK-ID: 2233925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480298685116697 9.7389e-08  
a 5.249352370708357 3.0285e-07 au
q 4.472291429500978 7.2184e-07 au
i 13.4975914490591 7.2196e-06 deg
node 268.7990731549623 4.2523e-05 deg
peri 148.0347761182441 6.1042e-05 deg
M 273.7796025608174 5.3075e-05 deg
tp 2459652.618206989447
(2022-Mar-14.11820699)
0.00071645 TDB
period 4392.957649996556
12.03
0.00038016
1.041e-06
d
yr
n .08194934453790653 7.0917e-09 deg/d
Q 6.026413311915737 3.4768e-07 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1998-12-14  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:38:16  

Additional Information
 Earth MOID = 3.49364 au 
 Jupiter MOID = .568444 au 
 T_jup = 2.923 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4   n/a MPO454692  
diameter diameter 16.303 km 0.682 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.080   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

233925 (2009 UL2)          Discovered 2009-Oct-18 by Tozzi, F. at Tzec Maun
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2009 UL2 = 1998 XM43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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